which of the following statements accurately describes viruses?

a. the machine that assembles a product c. spongy mesophyll d) They have little effect on plant growth. b. proteins. a. reverse transcriptase The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. a. a. exocytosis a. mitochondria Adopting the precautionary principle in regulating environmental toxins ______. If you already knew that the infectious agent was either bacterial or viral, select all the treatments that would allow you to distinguish between these two possibilities. b. proper hand washing. b. osmosis. a. CD18; produce cell adhesion molecules a. susceptible individuals; immune individuals They bind to MHC class I molecules and T-cell receptors. b. channel proteins Toxins - Lead Which of the following statements accurately describes the process of DNA replication? Debates in establishing environmental health policy include whether to ______. So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. Other IMG plans that may be of interest. They affect wildlife populations, such as bats and frogs. b. the cytosol; escaping from the phagosome 2019 Electrotherapy Unit III Ultrasound Quiz.docx 13-35 Protective antibodies generated in response to influenza virus bind to _____ of the viral envelope. Reference: ref 1 Additionally, small Na ions and some proteins can pass through the membrane against the concentration gradient, but both require the assistance of active transport proteins. d. Listeria monocytogenes c. the expression of MHC class I and class II molecules a. impermeable Zooplankton consume DDT e. protease. Which of the following characterizes Chytridiomycosis? O Enveloped viruses do not have protein spikes. d. T-cell and B-cell development Viruses and Bacteria | Science Quiz - Quizizz - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes d) Double-stranded RNA viruses Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? A. green algae are often unicellular, while land plants are not B. land plants have plastids and green algae do not C. algae have alternation of generations but land plants do not D. land plants have cell walls containing cellulose but green algae do not a) III c. facilitated diffusion Tests on living animals are more reliable than other tests. O The presence of an envelope influences viral entry and exit strategies. C. HIV leads to AIDS, when about one third of the individual's T cell count is lost. arXiv:2203.10869v2 [math.AP] 1 Mar 2023 Well-posedness for a diusion-reaction compartmental model simulating the spread of COVID-19 Ferdinando Auricchio( ) - dramatically reducing frog populations in many areas b. MHC class II chain They contain a protein coat called a capsid. a. the cell wall This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. Most substances are toxic at some level of exposure depending on the substance and the nature of the exposure. 2 ppm - Large fish Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. . c. transporter associated with antigen processing (TAP) Find the temperature of a gas of CO2\mathrm{CO}_2CO2 molecules whose rms\mathrm{rms}rms speed is 309m/s309 \mathrm{~m} / \mathrm{s}309m/s ? Students use a microscope to look for structures present in four different cells. Environmental health policies need to address ______________ because we may be destroying cycles that support human life if we don't protect different types of organisms. This survey study estimates the prevalence of current hepatitis C virus infection among adults in each US state and the District of Columbia from 2013 to 2016 u . True or false: Conservation medicine refers to efforts by biologists to treat sick or injured wildlife. b. D. A virus does not have a cell, produces carbon dioxide, and uses oxygen. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty Deriving social determinants of health from underserved populations is an important step in the process of improving the well-being of these populations and in driving policy improvements to facilitate positive change in health outcomes. I. Proton therapy accurately targets very specific locations, which may result in less damage to surrounding . answer choices They DO respond to a stimulus They need a host's energy because they do not have their own energy They are much less sensitive to ______ than regular rats, so studies using them are highly suspect. a. neuraminidase Cancer Solution The correct option is D photosynthesis uses solar energy to convert inorganics to energy-rich organics; respiration breaks down energy-rich organics to synthesize ATP Photosynthesis makes the glucose that is used in cellular respiration to make ATP. 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. c. a specialized membrane-bound vesicle; infection of the cell c. Epidemics; pandemics 120 seconds. a. The POPs of greatest concerns include substances such as chloropyrifos and glyphosate; we are exposed to them primarily by ______ because they are used in the production of ______. On the basis of the experimental data and the gradient-less optimization approach, the modeling strategy and the parameterized equivalent dynamic finite element model are presented. The dose-response curve showing LD50, as provided here, describes which of the following ideas? - Data on which chemicals are endocrine disrupters are not definitive. The idea that a small amount of radiation may stimulate DNA repair, whereas a large amount of radiation causes cancer, is an example of _____________________. 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? Question: You have to implement the following methods on the described scenario. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. We perceive risk differently, depending on control, interests, or context. c. captures energy from sunlight and sends it to the mitochondria. b. the plasma membrane. B) The focus of nurses is the person with an illness. Which of the following is/are part of accepted cell theory? d. creates energy by converting ribosomes to proteins. You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. b. T-cell-dependent antibody responses; cell-mediated immune responses Both membranes are selectively permeable and have pores. You have four methods at your disposal that you can use to analyze the substance in order to determine the nature of the infectious agent. The Zika virus is most commonly transmitted by. 13-7 Genes encoding _____ rearrange in trypanosomes permitting replication and survival of the pathogen until the host produces an antibody response against the altered gene product. a. channel proteins This is because the solution on the left side of the figure is hypertonic while the solution on the right side of the figure is hypotonic. What general cell type are you most likely observing? NADPH oxidase; produce superoxide radical (O-). d. active transport. c. They are acellular. e. Mycobacterium tuberculosis. c. global populations; local populations A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. Increased frequency:increased depth of penetration B. Previous infection with S. pneumoniae wears down the immune system over time. Viral genomes consist of what type of nucleic acid molecules? host cell indefinitely. d. The radish cells were hypotonic to the water in which they were soaking. bio virus and bacteria Flashcards | Quizlet All toxic substances are hazardous, but all hazardous substances are not toxic. b. the chromosome e. fall below 200 cells/l. Intro to viruses (article) | Viruses | Khan Academy Match each of the following factors to how it influences whether a particular chemical will prove to be dangerous. Spatial variability of soil parameter distribution is crucial to calculating the pile foundation failure probability. d. hereditary angioedema a) They can be spread via the plasmodesmata. White-nose syndrome is a fungal disease that is devastating bat populations, causing mortality of 90 percent or more in infected colonies. Which of the following statements about viruses is false? e) Viral genomes mutate rapidly. e. Janus 3 kinase (Jak3) - Acute exposure involves a single contact with a toxic chemical. 4. Ch. 21 Review Questions - Biology for AP Courses | OpenStax transcriptional regulators of HLA class II loci. 13-16 All of the following are associated with superantigens except _____. Which of the following would be likely to move through a plasma membrane by simple diffusion? a. X-linked agammaglobulinemia b. Morbidity refers to _____________, whereas mortality refers to ____________. a. lipids. c. a mitochondrion. Rank the stages in biomagnification of DDT, putting the earliest stage on top. b. Dialysis tubing is a selectively permeable membrane that can be filled with a solution to simulate a cell. d. immune evasion - Most people will tolerate a higher probability of occurrence of an event if the harm caused by that event is low. Which of the following statements are reasonable conclusions that can be drawn from a recent headline that announced the discovery of 23 pesticides in 16 food samples? Response curve representing a constant rate of response with increasing doors - Line b This number doesn't include people killed by smoking tobacco. In the following section, we describe this approach in detail. Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. Which of the following statements accurately describes the path of oxygenated blood? e. Staphylococcus aureus. d. palisade mesophyll, Which of the following would be the best analogy for the function of the Golgi apparatus? Job Postings | County of San Diego e) Retroviruses. The envelope helps protect viruses exposed to heat and/or detergents. Ribosomes are very small non-membranous organelles that can either exist freely in the cytoplasm or be embedded in the endoplasmic reticulum of a cell; they are associated with the synthesis of - The chemical agent is water-soluble. 13-2 _____ results when a gene affecting the immune system mutates, thereby compromising the body's defense against infection. a. prokaryotic and plant - People tolerate familiar risks, despite the high probability of harm, because they often downplay the risk associated with familiar activities. Which of the following statements correctly describes one characteristic of the lytic cycle of viral replication? However, that does not imply that low doses of any toxin is good for health. Registered Nurse Job in Saint Joseph, MI at Trinity Health possibility of suffering harm or loss resulting from a given action, process of estimating the threat a particular hazard poses to human health. System management program c. Utility program d. Encryption. a. integrase Q. c. the cytosol Detoxification - Liver a) They can be spread via the plasmodesmata. d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. c. X-linked lymphoproliferative syndrome Check all that apply. - Combined effects of exposure to multiple toxins. However, a huge health scare in Flint, Michigan, occurred in 2016 when children were exposed to lead through ______. Because organs such as your skin and liver make frequent repairs, they are also more likely to ______. a. osmosis When it acts on target cells, it enhances the engulfment and killing of bacteria. What is the function of reverse transcriptase in retroviruses? Capitalism is an economic system that operates under the. Allergens are substances that affect us by ______. Cells naturally, without using energy, respond to changes in water concentration through the process of If each sugar molecule represents a percentage point of sugar dissolved in the solution, what change would you expect to see in the solution level over time and why? The plasma membrane of some white blood cells contain ________ that bind with proteins of cells such as bacteria that have invaded the human body. b. produces the energy needed to run chemical reactions in the cell. The measles virus causes nasal and lung infections. b) casing a. HIV variants convert from macrophage-tropic to lymphocyte-tropic late in infection This study aims to present a robust numerical model by . a. the virus inhibits MHC class I expression Question 12. The leading reasons for nonrational risk perception include ______. The 2015 outbreak of the Zika virus was especially concerning as infected pregnant mothers were having babies with ______. c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. B. Chediak-Higashi syndrome caused by the deficiency of CHS1. 13-11 Herpesviruses include all of the following except _____. 13-33 Patients who lack _____ are very susceptible to infections with intracellular bacteria, including the ubiquitous nontuberculous strains of mycobacteria. D) Illness is a normal process that affects level of functioning. D. HIV can pass easily from one person to the next through casual contact. question 2 5 out of 5 points which statement accurately describes capitalism? - The damage to genetic material by mutagens can lead to birth defects if the exposure occurs during fetal development. A) A disease is traditionally diagnosed and treated by a nurse. a. a. Proviruses form immediately after the RNA genome assembles with viral proteins and infectious virions are produced. b) Formation of the provirus would be stopped. The next day the radishes are crisp and crunchy again. c. eukaryotic and plant - Our focus on reducing pollution to protect human health has neglected risks to natural ecological systems that may be of greater ultimate importance. b. X-linked hyper IgM syndrome Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. a) Vertical transmission is transmission of a virus from a parent plant to its progeny, and horizontal transmission is one plant spreading the virus to another plant. - an ecological disease Answered: Which of the following statements | bartleby c) use reverse transcriptase to incorporate the virus genome into the host cell DNA. d. the use of antibiotics. Small fish eat zooplankton The smooth endoplasmic reticulum Which of the following statements accurately describes plant virus infections? A. Oxygenated blood is taken to the heart, from the lungs into the left atrium via the pulmonary arteries B. Oxygenated blood is taken to the heart, from the lungs into the right atrium via the pulmonary veins The hydrophobic tails lined up towards each other with their hydrophilic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a spherical liposome. Which of the following types of organisms are commonly single-celled (unicellular)? Choose the following statement that most accurately describes viruses. III. This is followed by a non-translated leader sequence, and then a single long protein-coding region (~7,000 nucleotides), followed by a poly-A tail. Persistent organic pollutants (POPs) are a concern because being ______. b. herpes simplex virus Why do scientists classify viruses as non-living? - Policy decisions about toxins must address how such materials affect not just humans but also organisms that define and maintain our environment. The solution level on the left side of the figure would decrease while the solution level on the right side of the figure would rise. Which of the statements below accurately captures the relationship between toxicity and potency? A. Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? You are a microbiologist working with a species of bacteria that can perform photosynthesis. c) Cutting and assembling the capsid would be halted. a. effective at minuscule concentrations c. oxygen (O2) Virus b. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". - Endocrine disrupters may cause reproductive dysfunction in females. Bacteria are much larger than viruses, and t View the full answer Transcribed image text: How would the affect the HIV infection cycle? 2. PFCs are persistent chemicals, so they are ______. - The dose makes the poison. a. influenza virus Which of the following statements accurately describes plant virus infections? - for activities we enjoy or find profitable This decision of the FDA was based on ______. 4. c. a TAP peptide transporter Choose the statement that correctly describes HIV and HBV. c) Positive-sense single-stranded RNA viruses - that some minimal dose is necessary before any effect can be observed. In 1973, the FDA required that cancer-causing compounds must not be present in meat at concentrations that would cause a cancer risk greater than 1 in a million lifetimes. d. It is secreted by CD8 cytotoxic T cells, CD4 TH1 cells, and NK cells. 13-24 All of the following are X-linked immunodeficiencies except _____. Sensors | Free Full-Text | Multilayer Model in Soil Moisture Content d. No; eukaryotic organelles are expelled each time the cell divides. f. CD40 ligand. BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. b. d) ability to remove all viruses from the infected host. - Infectious diseases such as diarrhea are on the decline globally. b. antigenic shift d. viruses are prokaryotic and bacteria are eukaryotic . a. - LD50 is the dose of the toxin that is lethal to half the population. In environmental toxicity studies, when an interaction between two substances results in one of them exacerbating the effects of another by 20-fold it is called a(n) ______ interaction. Viruses are very diverse. d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? This manuscript presents a full duplex communication system for the Deaf and Mute (D-M) based on Machine Learning (ML). 13-6 All of the following use gene conversion to avoid immune detection except _____. - Different sensitivities among those exposed to the toxins A virus is living because it has DNA that stores genetic information. b) IV b. simple diffusion Biology Test 2 Flashcards | Quizlet b - Shows a linear relationship from zero exposure to the highest dose suggesting that exposure to such toxic agents, no matter how small, carries some risks c. herpes zoster b) enter a replicative cycle that kills the host cell. a. is the place where a cell's genetic material is stored. Solved Which of the following statements accurately | Chegg.com How can a single sheet of Polaroid film be used to show that the sky is partially polarized? - The mere presence of a toxin is insignificant without considering how much is there, where it is located, how accessible it is, and who is exposed. 0.003 ppb - DDT in water d. They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore, the only way they can move into the cell is by endocytosis. c. They must make sure the results were not an accident and that they are repeatable. The measles virus causes mouth and gum infections. They cause T cells to divide and differentiate into effector T cells. a. is the site where lipids destined for other cellular compartments are manufactured. During the process of ________, water diffuses across a semipermeable membrane from an area where water is more concentrated to an area where water is less concentrated (it moves along the water concentration gradient). c. converts sunlight into chemical energy. answer choices they are both living they are both cells they can both cause disease they are both non-living Question 7 30 seconds Q. You also notice that the solution inside of the cell is now a dark blue color while the solution in the beaker is still a light yellow color from the iodine. Chapter 22: Viruses Flashcards | Quizlet The pattern of mental and physical defects that can develop in a fetus in association with high levels of alcohol consumption during pregnancy is called _________________ ______________________ syndrome. d) induce the formation of prions in the nucleus of the cell. b. polysaccharides A long piece of ribbon wired along both long edges is twisted into a helix and wrapped around individual pipe cleaners that have been rolled into spools; this grouping is then twisted (super coiled) again to condense it. d) II. 1. e) re-infection by the same herpesvirus strain, b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei. Your lab partner has also made a slide, but the RBCs on their slide do look like the ones in the lab manual; your lab partner used a more dilute solution of saline but the same vial of blood. Which of the following statements are true about how people apply probability in determining how much risk to accept and when to avoid exposure to certain risks? A virus has a cell, a nucleus, and does not eat. ** see figure. Which of the following statements about global health trends are true? a. b. a virus-encoded complement receptor c. bacteria and yeast Answered: Which of the following statements | bartleby e. cytokine and cytokine receptor production. Examine the figure below. b. the cytoplasmic tail is truncated b. facilitated diffusion DOC Virus/Bacteria Quiz - PC\|MAC

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